Answer:
It's A. more blood is pumped through the body
There have been studies and experiments tested on animals. These tests have resulted in the conclusion that fluoride damages the brain of animals. 43 humans have been tested with fluoride, and the results are that fluoride reduces their intelligence. It can also impair fetal brain development.
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The person playing basketball is burning more calories
Answer:
Antibiotic-induced changes in intestinal bacteria allow overgrowth of another bacteria, Clostridium difficile (C. difficile), which is the cause of a more serious antibiotic-induced diarrhea.
